Merge "Add AUDIO_FORMAT_MAT to the list of formats in XSD" am: 84be95b671 am: 7efe601b35

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1558868

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Idca830ab6de7b3a24be0c317bc5c572996b2c5b2